package com.chixing.day06.AbstractDemo;

public abstract class A {
    public void fun1() {
        System.out.println("模拟fun1");
    }

    public void fun2() {
        System.out.println("模拟fun2");
    }

    public void fun3() {
        System.out.println("模拟fun3");
    }

    //A有fun4,5功能,但自己不能实现,依赖于第三方
    public abstract void fun4();

    public abstract void fun5();
}
